Today I got a nice note from a guy named Kevin Walters. He used my mindstorms-vll code to control a MINDSTORMS MicroScout droid with a smarphone, using an Adafruit Feather M0 Bluefruit LE running CircuitPython 3.1.1 as a gateway controller:
https://learn.adafruit.com/bluetooth-remote-for-lego-droid
Thanks Kevin for quoting me and for the wonderful project.